Dioscorea bulbifera bulbil is a medicinal plant that. Biosynthesis of metal nanoparticles employing plant extracts and thereby development of an environmentally benign process is an important branch of nanotechnology. Dioscorea definition of dioscorea by the free dictionary. Dioscorea is a large genus of annual twining herbs, distributed throughout the moist tropics of world. It is a highly invasive plant included in the global compendium of weeds randall, 2012, and which creates management problems in many parts. Herein we report the phytochemical analysis and free radical scavenging activity of their sequential extracts. The plants are very droughttolerant once established. Air potato dioscorea bulbifera 3 three other introduced species of dioscorea may be encountered in florida. It is found throughout the tropics and is thought to be native to both africa and asia. Winged yam gets it name from its winged internodes, a characteristic feature of the species. Dioscorea bulbifera is a tribal plant, which belongs to the family. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Screening of antioxidant potentials in dioscorea bulbifera. Comparative micromorphological study of wild and micropropagated.
Widely distributed in asia and africa in the wild state coursey 1967 and widely naturalized elsewhere in the tropics and subtropics, including central and south america schultz 1993. Water yam grows well in permeable clays and does poorly in. My experience with dioscorea bulbifera has been very positive. It produces a large root crop of edible subterranean tubers yams which are an important starchy food source in many tropical to subtropical areas around the globe. Free radicals are produced as a part of normal metabolic. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria.
Seedlings grow to mature size and flower in 1 yearedible aerial tubers may be produced in as little as 3 months after 7. Dioscorea bulbifera synonyms, dioscorea bulbifera pronunciation, dioscorea bulbifera translation, english dictionary definition of dioscorea bulbifera. Dioscorea bulbifera aerial yam, air potato pfaf plant database. Field emission scanning electron microscopy fesem, energydispersive spectroscopy edx, xray. It is a vine that can be up to 70 feet in length with heart shaped alternating leaves. The plants grow rapidly in full sun where they can overgrow and kill native. Dioscorea bulbifera georgia invasive species task force. The period from planting to harvesting is about 79 months. Here, the synthesis of gold nanoparticles using dioscorea bulbifera tuber extract dbte as the reducing agent is reported. I ordered some of his dvds and one of his books about wild edibles in england. In colder locations they can be grown as an annual, saving some. Dioscorea oppositifolia only grows in india, where i presume it is eaten. Many years later i became a fan of ray mears, a british bush crafter.
I had to hash out the order by email because i didnt know when the seller would have it available, and when it was finally marked as available on the. Superior races are said to be very palatable and sweet, and to be entirely free from toxic substances so that consumption, even raw, is safe332. Dioscorea bulbifera, antioxidant, enzymatic, nonenzymatic, nutritive. Dioscorea bulbifera bulbils are used in the treatment of piles. Dioscorea yams genus dioscorea plant genus a genus of plants dioscoreaceae, family dioscoreaceae, yam family yams yam plant, yam any of a. I ordered it early in the year, after some trouble. Thus, the analgesic activity of the bulbils of dioscorea bulbifera may be. Information is also included on related species occurring in florida, including invasive winged yam, d.
Synthesis of gold nanoanisotrops using dioscorea bulbifera. Just like rambo movies, there is yam a, yam b and, yes, a yam c, the chinese wild yam or the cinnamon vine yam, either way we get yam c, botanical name, dioscorea polystachya aka d. Data source and references for dioscorea bulbifera air. The vast majority of the species are tropical, with only a few species extending into temperate climates. A basal dose of 1520 tonneshectare of fym farmyard manure should be applied to the soil at the time of preplanting tillage. Pdf dioscorea bulbifera is an immensely important medicinal plant. Hawaiian tropical plant nursery, llc is offering an edible dioscorea their page ambiguously refers to as either d. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The tubers are either small and bitter or do not form at all. Phytochemical analysis and free radical scavenging. Screening of antioxidant potentials in dioscorea bulbifera m.
Dioscorea alata ufifas center for aquatic and invasive. Dioscorea bulbifera is a species of yam, it is one of the early foods, it was extensively cultivated and used by the generation of individual as an house hold name, means of survival, medicine and food etc. Tuberous vine, tubers usually globose or pearshaped, sometimes lobed, some edible in cultivated races, others in wild races causing nausea or fatal. Dioscorea bulbifera will produce well in sun or light shade. Air potato, dioscorea bulbifera 1 christopher kerr2 and ryan poffenberger2 introduction. This beautiful green, rapidly growing vine gives a lush ropical rainforest appearance to my florida garden. Dioscorea bulbifera yam of tropical africa and asia cultivated for it large tubers air potato yam plant, yam any of a number of tropical vines. It is native to africa, asia and northern australia. Dioscorea bulbifera is an african medicinal plant used to treat microbial infections. Picking roots from the air is a lot better than digging. Indupriya department of biochemistry, periyar university, salem, tamil nadu india abstract dioscorea bulbifera is a major staple food crop which is a species of yam widely distributed around the. It invades open areas in the subtropical southeastern united states.
Winged yam is known to have disprupted naturalarea plant communities, particularly coastal hammocks in south florida. The invasive air potato vine has become a major concern throughout florida and neighboring states. Dioscorea bulbifera is an evergreen perennial climber growing to 10 m 32ft by 0. The medicinal uses of this edible herb are immeasurable but one of its greatest health benefits is its ability to fight cancer. Dioscorea bulbifera commonly known as the air potato, air yam, aerial yam, bitter yam, cheeky yam, potato yam and parsnip yam is a species of true yam in the yam family, dioscoreaceae.
Dioscorea is a genus of over 600 species of flowering plants in the family dioscoreaceae, native throughout the tropical and warm temperate regions of the world. They are perennial in regions where the ground soil doesnt freeze during the winter. Free radicals are key mediators for emergence of disease, progression. I once held in my hand a bulbil from an edible form of dioscorea bulbifera, better known as the air potato. The pdf file linked from each plant community name describes the model and synthesizes the knowledge available on vegetation. Currently, the air potato leaf beetle, lilioceris cheni, is being massreared and released across. Dioscorea bulbifera archives eat the weeds and other.
As i dug for more info, i found that gardener jerry colebywilliams has a good article with photos of edible dioscorea bulbifera varieties hes growing in australia. Dioscorea bulbifera is an aggressive exotic invader of native hammock vegetation over much of peninsular florida. Collectie tropenmuseum het knolgewas dioscorea bulbifera ubi gandu met bovenaardse knollen en bloeiwijze tmnr 100155. Antibacterial activities of the extracts, fractions and.
Pdf dioscorea bulbifera, a highly threatened african medicinal. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. In the present study, the methanol extract, fractions dbb1 and dbb2 and six compounds isolated from the bulbils of d. There is a video in my collection of the leaf beetle. This is remake of a video i made several years ago. Pdf antidiabetic and antioxidant properties of copper. Dioscorea alata, commonly known as water yam or winged yam, is a fastgrowing, twining, tuberousrooted, herbaceous perennial vine of the yam family dioscoreaeae. It is widely cultivated and has become naturalized in many regions latin america, the west indies, the southeastern united states, and various oceanic islands. They were rinsed in distilled water until explants were clean and free from. Dioscorea bulbifera also known as gonth, kolkand, varaheekand, a tribal plant belonging to the family of dioscoreaceae. Air potato dioscorea bulbifera, huang yao zi chinese. The air potato, also known as dioscorea bulbifera in scientific name and huang yao zi in chinese name, is a common chinese herbal medicine. Air potato dioscorea bulbifera is naturalized in texas and other states and is considered an invasive plant in texas.
Vigorously twining herbaceous vine, with small or absent underground tubers. High production of aerial tubers allows for rapid population growth. Pdf dioscorea bulbifera bulbils are used in the treatment of piles, dysentery, syphilis, ulcers, cough, leprosy, diabetes, asthma. This is a yam that makes roots right on the vine instead of in the ground, making it a. The bulbils are eaten, although this species is not widely consumed outside of oceania.
The results can also be downloaded as a csv file unicode utf8 encoding see status, confidence level, source for definitions. Planting in the field p land preparation and fertilizer application the planting beds should be tilled properly and made weed free, and the soil should be well pulverized. Covered with large leaves, it can quickly grow into the tops of tall trees. Dioscorea species, air potato, air yam, bitter yam, potato. Gnidia glauca and dioscorea bulbifera are traditional medicinal plants that can be considered as sources of natural antioxidants. To study the leaf epidermis of wild and micropropagated dioscorea bulbifera linn. Air potato dioscorea bulbifera is a member of the yam family dioscoreaceae. In florida, herbarium records now reported for naturalized. However, it is not a legal authority for statutory or regulatory purposes. Air potato has inconspicuous flowers that dont usually appear because they arent necessary for propagation. Air potato does produce a species of yam, but is recommended to never. Appearance dioscorea bulbifera is an herbaceous, twining vine that can grow to lengths exceeding 60 ft. It is closely related to air potato dioscorea bulbifera. Pharmacognostic and phytochemical investigations of.1186 467 1457 354 1499 227 612 845 1130 164 799 1194 488 1136 472 985 192 325 930 713 230 21 1344 1085 1256 640 814 76 1309 1491 785 737 1221 1117 562 386 1323 742 994